Week-2-Day-1-Particles-of-Matter (1).pptxvghhbhj

LEARNING
COMPETENCY:
 Describe the particle model of
matter as “All matter is made up
of tiny particles with each lure
substance having its own kind of
particles.”

OBJECTIVE:
At the end of the lesson, you shall be
able to:
 Differentiate elements and
compounds based on particle
composition.

SHORT REVIEW:
PARTICLE PARTY!!!
WHAT ARE THE
DIFFERENT ATOMIC
MODELS?

SOLID SPHERE MODEL-
JOHN DALTON

PLUM PUDDING MODEL-
JJ THOMSON

QUANTUM MODEL-
ERWIN SCHRODINGER

NUCLEAR MODEL-
ERNEST RUTHERFORD

What are atoms made of?
- It was made of protons,
electrons, and neutrons.
What does the particle model
tell us about matter?
- It was made of tiny particles.

ACTIVITY
1. Imagine tiny particles representing
atoms or molecules. On your index
cards, draw these "partying particles."
2. Use arrows on your cards to show
the movement of the particles.
Represent "cold" particles with slow,
short arrows on one side of the card
while "hot" particles with fast, long
arrows.

Week-2-Day-1-Particles-of-Matter (1).pptxvghhbhj

Key Points for Review:
Particles are constantly moving
(even in solids!), there are
spaces between particles, and
the speed of particle motion
increases with temperature.

Matter is composed of
particles. These particles are in
constant random motion.
Particles in liquids and gases
move from one place to
another in an object while
particles in solids vibrate from
their position.

When particles absorb heat, they
become “excited or inspired” such that
they move faster and farther. As they
move faster and farther, the size of the
object increases. The increase in size due
to absorption of heat is called Thermal
Expansion. Different objects expand in
different amounts.

Pure substance is an element
or compound made up of one
type of particle. Pure
substances have a fixed
structure with definite
properties.

Characteristics of Pure Substance
 Pure substances have a perfectly homogeneous
nature.
 Pure substances are made up of only one type
of atoms or molecules.
 Pure substances have a fixed composition.
 Pure substances have a fixed density, melting
point, boiling point etc.

Element
Made of only 1 type of particle
Ex: copper wire only has copper atoms
Can’t be separated into simpler
substances by chemical or physical
means
Each has a unique set of properties
melting point reactivity density flammability
Classified by properties
metals non-metals metalloids

Compounds
Found in nature more often than pure
elements
Have more than the open element
Elements are chemically bonded to each
other
Pure substances that occurs in a fixed ratio by
by mass
Can’t be separated by physical means
Have their own unique set of properties

KEY POINTS:
Pure substances are substances that are made up of
only one kind of particle and have a fixed or
constant structure.
A pure substance refers to a matter that has a
homogeneous and definite chemical composition.
A pure substance may exist in a single phase, such
as liquid water, ice, and CO2 gas. It can also exist
as a multi-phase mixture, such as a mixture of
liquid water and water vapor in equilibrium.

Pure substances are further classified as
elements and compounds.
An element is a substance that consists of
only one type or kind of atom. An element
is a pure substance as it cannot be broken
down or transformed into a new substance
even by using some physical or chemical
means. Elements are mostly metals, non-
metals or metalloids.
Compounds, on the other hand, are also
pure substances when two or more elements
are combined chemically in a fixed ratio.
However, these substances can be broken
down into separate elements by chemical
methods.

The simplest form of matter that can’t be decomposed by physical means.
Made up of two or more elements chemically combined.
A group of two or more atoms held together by a chemical bond.
The smallest unit of matter and also known as the building blocks of
matter.
1. What is an atom?
2. What is an element?
3. What is a compound?
4.What is a molecule?
The smallest unit of matter and also
known as the building blocks of matter.
The simplest form of matter that can’t be
decomposed by physical means.
Made up of two or more elements
chemically combined.
A group of two or more atoms held
together by a chemical bond.

GUESSING THE SUBSTANCE!!!
DIRECTION: The following are pictures of substances.
Identify if it is a pure substance or not. Put PS if it is a pure
substance and N if it is not

Describe the key difference
between an element and a
compound in terms of their
composition and particles.
How do particles behave in terms
of their motion, spacing, and the
relationship between temperature
and particle speed as described by
the KMT?

Reflection on Learning
Imagine shrinking yourself down to
the size of an atom! Based on what
you learned about Kinetic Molecular
Theory (KMT), describe what the
world around you would look like
and how you would interact with it.
Consider scenarios like you are a
solid, liquid or gas particle.

1. A white smoke and black n
unknown white substance is
heated and produced white
smoke and black solid. What do
you think is these substances?
a.) a mixture b.) an element
c.) a compound d.) a diatomic
molecule

2. Water is composed of two atoms
of hydrogen and one atom of
oxygen. Which of the following can
be the particle model of water?

3. What can you say about the movement (speed)
of the particles of solid,
liquid, and gas based on this model?
a) The speed of the particles is the same in all states of matter.
b) Solid particles are the fastest to move compared to liquid and gas.
c) Gas particles are the fastest among solids and liquids.
d) The speed of the particles is not affected by temperature.

4. Given this particle model of water,
what do you think is the state it is in?
a) Gas
b) Solid
c) Liquid
d) Cannot be determined

5. What do you think is happening in the
substance in terms of temperature
change?
a) Temperature dropped and solidified the substance.
b) Temperature was increased, and the substance was
liquified.
c) The liquid substance was heated and evaporated as
gas.
d). The liquid substance was frozen and became solid.

6. How did the Kinetic Molecular
Theory describe the particles of a solid?
a) Only vibrating in place.
b) Completely still and packed
together.
c) Constantly moving with large
spaces between them.
d) Constantly moving with very
small spaces between them.

7. What is the movement of the
particles in a gas?
a) Not moving at all.
b) Moving very slowly and tightly
packed together.
c) Moving rapidly with large spaces
between them.
d) Moving very slowly with large
spaces between them.

8. Which has a direct relationship with
temperature?
a.) size of its particles.
b.) shape of its particles.
c.) type of intermolecular forces
present.
d.) average kinetic energy (speed) of
its particles.

9. In the “Personal Space” mini-
activity, how did the space between
students change as they went from
solid to liquid to gas?
a.) it decreased slightly.
b.) it remained the same.
c.) it increased significantly.
d.) it completely disappeared.

10. The “Particle Dance Party” mini-
activity demonstrated the relationship
between temperature and particle motion
according to KMT. As the music got faster,
the particles(students) moved:
a.) faster
b.) slower
c.) the same
d.) erratically

Week-2-Day-1-Particles-of-Matter (1).pptxvghhbhj

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